Technical Grade VP/VA Copolymer
VP/VA Copolymers are with different rations of vinylpyrrolidone to vinyl acetate and available as white powder or clear transparent solutions in water,ethanol and isopropanol.It’s forms hard,glossy,flexible,water-removable,oxygen permeable films which adhere to glass,plastics and metals,these properties,coupled with the ability to control their hydrophilicity through monomer composition,lead to extensive its industrial application.
Key Technical Parameters:
|Appearance||White to creamy white powder||Transparent to slight yellowish liquid|
|Monomers||0.2% max.||0.2% max.||0.2% max.|
|Solid Content||95% max.||48~51%||48~52%|
|Sulphated Ash||0.1% max.||0.1% max.||0.1% max.|
|pH Value(10% in water)||4.0~7.0||4.0~7.0||4.0~7.0|
VP/VA copolymers widely industrial application are in hot melt adhesives,photoresist binders and coatings for ink jet media paper,plastic film,Agriculture & other substrates.
*Coatings on paper,film,other substrates *Water remoistenable adhesives
*Water soluble adhesives *Decorative and protective coatings
*Photoresist/solder mask binders *Agricultural chemicals
*Bioadheives *Protective masks
*Plant leaf sprays